A5103129174- Horticultural and Viticultural Research
- Fermentation and Sensory Analysis
- Plant Pathogens and Fungal Diseases
- Powdery Mildew Fungal Diseases
- Plant and animal studies
- Plant Physiology and Cultivation Studies
- Wine Industry and Tourism
- Plant Gene Expression Analysis
- Forest Insect Ecology and Management
- Plant biochemistry and biosynthesis
- Genetic Mapping and Diversity in Plants and Animals
- Plant Reproductive Biology
- Plant and Fungal Interactions Research
- Plant Virus Research Studies
- Berry genetics and cultivation research
- Mediterranean and Iberian flora and fauna
- Fungal Plant Pathogen Control
- Insect-Plant Interactions and Control
- Species Distribution and Climate Change
- Plant Disease Resistance and Genetics
- Remote Sensing and LiDAR Applications
- Wheat and Barley Genetics and Pathology
- Plant Pathogens and Resistance
- Optimization and Search Problems
- Complexity and Algorithms in Graphs
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2018-2025
Colmar Inra Research Centre
1997-2025
Université de Strasbourg
2011-2024
Institut Français de la Vigne et du Vin
2017-2024
Eastern Visayas State University
2024
Centre INRAE Grand-Est - Colmar
2022
Santé et Agroécologie du Vignoble
2012
Institut National de la Recherche Agronomique
2008
Université de Bordeaux
2002
Institut national de recherche en informatique et en automatique
2001
The analysis of the first plant genomes provided unexpected evidence for genome duplication events in species that had previously been considered as true diploids on basis their genetics. These polyploidization may have important consequences evolution, particular radiation and adaptation modulation functional capacities. Here we report a high-quality draft sequence grapevine (Vitis vinifera) obtained from highly homozygous genotype. is fourth one produced so far flowering plants, second...
CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 41:193-204 (2010) - DOI: https://doi.org/10.3354/cr00850 The challenge of adapting grapevine varieties climate change Eric Duchêne1,2,*, Frédéric Huard3, Vincent Dumas1,2, Christophe Schneider1,2, Didier Merdinoglu1,2 1Institut National de la Recherche Agronomique (INRA), UMR1131, BP 20507, 68000 Colmar, France 2Université...
The genome sequence of the diploid and highly homozygous Vitis vinifera genotype PN40024 serves as reference for many grapevine studies. Despite several improvements to assembly, its current version PN12X.v2 is quite fragmented only represents haploid state with mixed haplotypes. In fact, being nearly homozygous, this contains heterozygous regions that are yet be resolved. Taking opportunity long-read sequencing technologies offer fully discriminate haplotype sequences, an improved...
Bulked segregant analysis was employed to identify molecular markers linked a gene that confers downy mildew resistance the muscadine grape. The level of BC2 segregating population estimated by visual notation after inoculation leaves on whole plant. broad-sense heritability trait at 0.88. Polymorphism revealed with RAPD (151 primers), ISSR (13 primers) and SSR (208 loci) screened between two bulks produced separately pooling individual DNAs from six most resistant susceptible plants. By...
Vitis vinifera 'Pinot' clones were analysed at 50 microsatellite loci to assess intravarietal genetic diversity. When analysing leaf tissue DNAs, polymorphism mainly resulted from the appearance of a third allele when two expected for heterozygous in diploid species. The sequencing three alleles has confirmed their simultaneous presence tissues. A hypothesis explaining triallelic profiles locus is periclinal chimera meristem structure, which genetically different cell layers coexist....
A key step in domestication of the grapevine was transition from separate sexes (dioecy) wild Vitis vinifera ssp. sylvestris (V. sylvestris) to hermaphroditism cultivated sativa vinifera). It is known that V. has an XY system and a modified Y haplotype (Yh) sex locus small, but it not previously been precisely characterized.We generate high-quality de novo reference genome for sylvestris, onto which we map whole-genome re-sequencing data cross locate locus. Assembly full X, Y, Yh haplotypes...
Clonal polymorphism mainly results from somatic mutations that occur naturally during plant growth. In grapevine, arrays of clones have been selected within varieties as a valuable source diversity, among them showing berry color polymorphism. To identify responsible for this polymorphism, we studied collection 33 Pinot noir, gris, and blanc. Haplotypes the L2 cell layer nine were resolved by genotyping self-progenies with molecular markers along 10.07 Mb region chromosome 2, including...
Esca is the most destructive and predominant of grapevine trunk disease. The chronic infections vine mortality caused by esca syndrome leads to huge economic losses threatens sustainability vineyards worldwide. numerous wood-decay associated fungi, but its full etiology remains unclear due disease complex, making effective control methods challenging. As differences in susceptibility have already been observed among varieties, we investigated presence genetic factors that can explain theses...
Downy mildew caused by the oomycete Plasmopara viticola is one of most important diseases affecting grapevine. Resistant varieties are an environmentally-friendly tool to control grapevine downy mildew. Efficient breeding for durable resistance requires knowledge underlying mechanisms. Here we aimed at identifying molecular basis Rpv2 , a gene extreme derived from Vitis rotundifolia and characterizing its effect on pathogen development. Individuals two populations segregating were evaluated...
A major aim in modern grapevine (Vitis vinifera L.) breeding programs is the introgression of disease resistance genes along with desired cultural and oenological traits. Understanding genetic links between agro-oenological traits a crucial issue for breeders. We studied determinism wide range complex interspecific hybrid population identified two cases colocalizations quantitative trait loci (QTL). The species origin chromosomal regions off-springs were determined thanks to silico...
Abstract Background and Aims: To analyse the genetic determinants of berry sugar content in grapevine varieties, a method that combined measurements total soluble solids (TSS) from berries sampled at fixed stage after veraison with data on yield leaf area was tested. Methods Results: Over three seasons, differences TSS harvest for Riesling Gewurztraminer grapes were explained by dates fruit-to-leaf ratios. TSS, also evaluated 120 genotypes, which progeny cross between Gewurztraminer. Thermal...
Background and Aims The acidity of harvested grapevine berries is likely to decrease in the future because increasing temperature during grape ripening. aim study was evaluate genetic variability berry descriptors progeny from a Riesling × Gewürztraminer cross. Methods Results ripening process for parent cultivars monitored over three growing seasons; had higher tartaric acid concentration than that Gewürztraminer, similar difference observed malic acid. A statistical model describing...
The current strategy to control grapevine downy and powdery mildews relies on chemical treatments. most promising option reduce the need for fungicides in viticulture is use of resistant cultivars. This why a new breeding programme called INRA-ResDur was launched 2000 create cultivars with durable resistance berry quality suitable production high-quality wines. Various American Asian sources have been known long time. During last decade, intense genetic analyses some them unveiled several...
Abstract Grapevine fanleaf disease, caused by grapevine virus (GFLV), transmitted the soil-borne nematode Xiphinema index , provokes severe symptoms and economic losses, threatening vineyards worldwide. As no effective solution exists so far to control disease in an environmentally friendly way, we investigated presence of resistance GFLV genetic resources. We discovered that Riesling variety displays GFLV, although it is susceptible X. . This determined a single recessive factor located on...
The strong societal demand to reduce pesticide use and adaptation climate change challenges the capacities of phenotyping new varieties in vineyard. High-throughput is a way obtain meaningful reliable information on hundreds genotypes limited period. We evaluated traits related growth 209 from an interspecific grapevine biparental cross, between IJ119, local genitor, Divona, both summer winter, using several methods: fresh pruning wood weight, exposed leaf area calculated digital images,...
Journal Article Tuberculosis and the brain drain problem Get access Ken Michael A Jumagdao, Jumagdao Secondary Laboratory School, Eastern Visayas State University, Tacloban City 6500, Philippines Search for other works by this author on: Oxford Academic PubMed Google Scholar Dwyane Roz L Refuerzo, Refuerzo Altea Mae C Caing, Caing Sophia Samantha W Carillo, Carillo Vincent Simon M Dumas, Dumas Katrina Heart R Avila, Avila Kyle Jomarc Siayngco, Siayngco Niñoval F Pacaol Address correspondence...
Phenology is concerned with the periodic phenomenon of vine growing cycle (bud burst, flowering, veraison (color change), in relation to climate. It a veritable biological clock vines. The timing numerous operations vineyard (phytosanitary protection, defoliation, crop thinning….) undertaken accordance phenological stages. Since precociousness latter directly linked temperature, phenology also marker global warming.
We study in this paper the throughput of a TCP connection performing ideal congestion avoidance. With respect to existing studies published on same topic, we determine upper and lower bounds for experiencing an arbitrary constant loss. then derive exact convergence results when loss probability becomes arbitrarily small. A remarkable property obtained is that they justify posteriori constants, which appear approximation has been observed earlier via simulation or experiments. The analysis...
Currently, for monitoring the ripening of grape berries, different devices are used to produce juices be analysed. Crushing berries is a key step that determines quantity juice extracted and may impact it composition. The effect on analytical parameters musts produced were compared in this study. Samples from four varieties ('Cabernet-Sauvignon', 'Ekigaina', 'Marselan' 'Vermentino'), showing variability berry size precocity, crushed using six (ASieves, Bag mixer®, Crusher, Manual, TPress...
Grapevine has a major economical and cultural importance since antiquity. A key step in domestication was the transition from separate sexes (dioecy) wild Vitis vinifera ssp. sylvestris ( V. ) to hermaphroditism cultivated . While grapevine sex locus is known be small, its precise boundaries, gene content sex-determining genes are unknown. Here we obtained high-quality de novo reference genome for whole-genome resequencing data of cross. Studying SNP segregation patterns, expression...
Abstract Esca is the most destructive and predominant grapevine trunk diseases. The chronic infections vine mortality caused by esca syndrome lead to huge economic losses threatens sustainability of vineyards worldwide. Although shown as associated with presence wood fungi, etiology remains still unclear putatively involves multifactorial causes, which makes development effective control methods challenging. As differences in susceptibility had already been observed among varieties, we...